18193616

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2663}}^1$

素因数の和:2739

約数の個数: 40

約数和(自身を含む): 40961664

約数和(自身を除く): 22768048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 2663, 3416, 5326, 6832, 10652, 18641, 21304, 37282, 42608, 74564, 149128, 162443, 298256, 324886, 649772, 1137101, 1299544, 2274202, 2599088, 4548404, 9096808, 18193616]

約数ペア:

[(1, 18193616), (2, 9096808), (4, 4548404), (7, 2599088), (8, 2274202), (14, 1299544), (16, 1137101), (28, 649772), (56, 324886), (61, 298256), (112, 162443), (122, 149128), (244, 74564), (427, 42608), (488, 37282), (854, 21304), (976, 18641), (1708, 10652), (2663, 6832), (3416, 5326)]